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Ducati Monster 821 Alternator

New, used, or aftermarket – from sellers across Europe.

Parts availability

This part appears to be widely available.

Alternator39,00 € – 159,00 €
15+ offers2 New, 2 Used

Estimated price range

Widely available Limited Hard to find

Last updated: 24.10.2026, 02:06

Alternator for your Ducati Monster 821?

Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.

In addition, sellers on hank can send you offers directly.

Prices from recent listings

Median: 97.50 €
Min: 39.00 € Max: 159.00 €
Source Condition Price (approx.) Last seen
Motorparts-online Unknown 69.00 € 2026-10-24
eBay Used 97.50 € 2026-10-24
Ducati-kaemna Unknown 39.00 € 2026-08-22
Louis New 39.99 € 2026-08-22
Motorparts-online Unknown 69.00 € 2026-08-22
Ducati-kaemna Unknown 89.00 € 2026-08-22
Louis Unknown 90.00 € 2026-08-22
eBay Used 97.50 € 2026-08-22

Indicative values only – current prices may vary.

Price comparison: Alternator

Current median for the Ducati Monster 821: 97.50 €.

Median across all motorcycle models: around 96 €. This model is in line with the median.

Median across Ducati motorcycle models: around 120 €. This model is 20% below that and cheaper than 70% of the models compared.

Compares the medians of the most recent offers found for each model.

Find Ducati Monster 821 parts online

hank's free AI report searches specialized shops for Ducati Monster 821 parts, including Custom Cruisers, Moto-Hub UK & Ducati Store.

Price history
50.00 € 100.00 € 2026-08-22 2026-10-24 50.00 € 100.00 € 2026-08-22 2026-10-24

About this part

The alternator on your Monster 821 charges the battery and powers the electrics while the engine runs. A failing alternator causes dimming lights, a dying battery and eventually a vehicle that won't start.

Frequently asked questions

What should I check when ordering a replacement alternator for the Ducati Monster 821?

Match the exact engine code and the model year of your Monster 821, as alternators differ in output (amps) and mounting. Check whether the pulley is included or needs to be transferred.

Is a remanufactured alternator a good option?

Yes – remanufactured alternators are tested to OEM specs and are often significantly cheaper than new. They're a reliable and economical choice for most vehicles.

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Ducati Monster 821 Alternator

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